US2990325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotics
Assignee: Olin Corp
•
Filing: 1955-11-16
•
Granted: 1961-06-27
•
Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 Donovick Richard
- 👤 James D Dutcher
- 👤 Leon J Heuser
- 👤 Joseph F Pagano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:59
CPC Classifications
C; C12; C12P; C12P1/00; C12P1/06; A; A01; A01N; A01N63/00; A01N63/20; A01N63/28; C12N; C12N1/00; C12N1/20; C12N1/205; C12P17/00; C12P17/18; C12P17/188; C12P19/00; C12P19/44; C12P19/60; C12P19/62; C12R; C12R2001/00; C12R2001/01; C12R2001/465; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR PRODUCING VERNAMYCIN, WHICH COMPRISES CULTIVATING STREPTOMYCES LOIDENSIS ATCC 11415 UNDER AEROBIC CONDITIONS IN AN AQUEOUS NUTRIENT MEDIUM CONTAINING ASSIMILABLE SOURCES OF CARBON AND NITROGEN UNTIL A SUBSTANTIAL AMOUNT OF VERNAMYCIN IS PRODUCED, AND THEN RECOVERING THE VERNAMYCIN FROM THE FERMENTATION BROTH.
Claim 2
Dependent Claim
44 words
A PROCESS FOR PRODUCING VERNAMYCIN, WHICH COMPRISES CULTIVATING STREPTOMYCES LOIDENSIS ATCC 11415 UNDER AEROBIC CONDITIONS IN AN AQUEOUS NUTRIENT MEDIUM CONTAINING ASSIMILABLE SOURCES OF CARBON AND NITROGEN UNTIL A SUBSTANTIAL AMOUNT OF VERNAMYCIN IS PRODUCED, AND THEN RECOVERING THE VERNAMYCIN FROM THE FERMENTATION BROTH.
References Cited (Backward Citations)
US2516080A
Cited
US2787580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |